<template>
    <div id="aCoursesList" class="bg-fa of">
      <!-- 讲师列表 开始 -->
      <section class="container">
        <header class="comm-title all-teacher-title">
          <h2 class="fl tac">
            <span class="c-333">全部讲师</span>
          </h2>
          <section class="c-tab-title">
            <a id="subjectAll" title="全部" href="#">全部</a>
          </section>
        </header>
        <section class="c-sort-box unBr">
          <div>
            <!-- /无数据提示 开始-->
            <section v-if="data.totalCount===0" class="no-data-wrap">
              <em class="icon30 no-data-ico">&nbsp;</em>
              <span class="c-666 fsize14 ml10 vam">没有相关数据，小编正在努力整理中...</span>
            </section>
            <!-- /无数据提示 结束-->
            <article v-else class="i-teacher-list">
              <ul class="of">
                <li v-for="teacher in data.items" :key="teacher.id">
                  <section class="i-teach-wrap">
                    <div class="i-teach-pic">
                      <a :href="`/teacher/${teacher.id}`" :title="teacher.name" target="_blank">
                        <img :src="teacher.avatar" :alt="teacher.name">
                      </a>
                    </div>
                    <div class="mt10 hLh30 txtOf tac">
                      <a :href="`/teacher/${teacher.id}`" :title="teacher.name" target="_blank" class="fsize18 c-666">{{teacher.name}}</a>
                    </div>
                    <div class="hLh30 txtOf tac">
                      <span class="fsize14 c-999">{{teacher.intro}}</span>
                    </div>
                    <div class="mt15 i-q-txt">
                      <p class="c-999 f-fA">{{teacher.career}}</p>
                    </div>
                  </section>
                </li>
              </ul>
              <div class="clear"></div>
            </article>
          </div>
          <!-- 公共分页 开始 -->
          <el-pagination
          background
          style="text-align: center; margin-top: 40px;"
          @current-change="gotoPage"
          :current-page="data.pageIndex"
          :page-size="8"
          layout="total, prev, pager, next, jumper"
          :total="data.totalCount">
          </el-pagination>
          <!-- 公共分页 结束 -->
        </section>
      </section>
      <!-- /讲师列表 结束 -->
    </div>
  </template>
  
  
  <script>
  import teacherApi from '../../api/teacher'
      export default{
          //异步加载数据，会把渲染出的html一并返回给浏览器端
          asyncData({params,error}){
              return teacherApi.getPagedList(1, 8).then(res=>{
                  console.log(res);
                  //此处不能通过this取到VC上的属性
                  return {data:res.data}
              })
                  
          },
          methods:{
              //页码跳转
              gotoPage(page){
                   //进行页码边界值判断
                  if (page<=0) {
                      // page=1
                      return
                  }
                  if (page>this.data.totalPages) {
                      // page=this.data.totalPages
                      return
                  }
                  teacherApi.getPagedList(page,8).then(res=>{
                      //此处可以通过this取到VC上的属性
                      this.data=res.data
                  })
              }
          }
      }
  </script>